Protective glove

Abstract

The present disclosure relates to a protective glove, which has different polymer layers arranged in a multi-layered polymer composite material. According to the present disclosure, the protective glove contains polyvinyl alcohol and a protective layer on top of this containing a fluorinated elastomer. The present disclosure also relates to a method for manufacturing a protective glove of this kind. The combination of various polymers and their arrangement in the polymer composite material achieve a powerful protective action against a multitude of chemical compound classes while simultaneously producing advantageous mechanical properties.

The invention claimed is: 
     
       1. A protective glove composed of a multi-layered polymer composite material including:
 a laminate composed of a first and second polymer layer of different synthetic elastomers, wherein the second polymer layer contains a fluorinated elastomer, 
 a hydrophilic third polymer layer containing polyvinyl alcohol, and 
 a fourth polymer layer containing a fluorinated elastomer, 
 wherein said hydrophilic third polymer layer containing polyvinyl alcohol is disposed over said laminate and the fourth polymer layer is disposed over said hydrophilic third polymer layer containing polyvinyl alcohol. 
 
     
     
       2. A protective glove composed of a multi-layered polymer composite material including:
 a laminate composed of a first and second polymer layer of different synthetic elastomers, wherein the second polymer layer contains a fluorinated elastomer, 
 a hydrophilic third polymer layer containing polyvinyl alcohol, and 
 a fourth polymer layer containing a synthetic elastomer, 
 wherein the hydrophilic third polymer layer containing polyvinyl alcohol is disposed over the laminate and the fourth polymer layer is disposed over the hydrophilic third polymer layer containing polyvinyl alcohol, and wherein the third polymer layer is disposed onto the laminate without adhesive agents and/or the fourth polymer layer is disposed onto the third polymer layer without adhesive agents. 
 
     
     
       3. A protective glove composed of a multi-layered polymer composite material including:
 a laminate composed of a first and second polymer layer of different synthetic elastomers, wherein the second polymer layer contains a fluorinated elastomer, 
 a hydrophilic third polymer layer containing polyvinyl alcohol, and 
 a fourth polymer layer containing a synthetic elastomer, 
 wherein said hydrophilic third polymer layer containing polyvinyl alcohol is disposed over said laminate and the fourth polymer layer is disposed over said hydrophilic third polymer layer containing polyvinyl alcohol, and wherein the second polymer layer and/or the fourth polymer layer contain(s) an elastomer with the monomer 1,1-difluoroethylene. 
 
     
     
       4. A protective glove composed of a multi-layered polymer composite material including:
 a laminate composed of a first and second polymer layer of different synthetic elastomers, wherein the second polymer layer contains a fluorinated elastomer, 
 a hydrophilic third polymer layer containing polyvinyl alcohol, and 
 a fourth polymer layer containing a synthetic elastomer, 
 wherein said hydrophilic third polymer layer containing polyvinyl alcohol is disposed over said laminate and the fourth polymer layer is disposed over said hydrophilic third polymer layer containing polyvinyl alcohol, and wherein the second and/or fourth polymer layer contain(s) an elastomer with the monomers 1,1-difluoroethylene and hexafluoropropene. 
 
     
     
       5. The protective glove according to  claim 1 , wherein the first polymer layer contains a halogenated elastomer. 
     
     
       6. A protective glove composed of a multi-layered polymer composite material including:
 a laminate composed of a first and second polymer layer of different synthetic elastomers, wherein the second polymer layer contains a fluorinated elastomer, and wherein the first polymer layer contains an elastomer with the monomer bromobutyl, 
 a hydrophilic third polymer layer containing polyvinyl alcohol, and 
 a fourth polymer layer containing a synthetic elastomer, 
 wherein said hydrophilic third polymer layer containing polyvinyl alcohol is disposed over said laminate and the fourth polymer layer is disposed over said hydrophilic third polymer layer containing polyvinyl alcohol. 
 
     
     
       7. The protective glove according to  claim 1 , wherein the second polymer layer is disposed over the first polymer layer. 
     
     
       8. A protective glove composed of a multi-layered polymer composite material including:
 a laminate composed of a first and second polymer layer of different synthetic elastomers, wherein the second polymer layer contains a fluorinated elastomer, and wherein the laminate is composed of a polymer layer, which includes a synthetic, halogenated elastomer, and of a polymer layer, which includes an elastomer that contains 1,1-difluoroethylene and/or hexafluoropropene as monomers, 
 a hydrophilic third polymer layer containing polyvinyl alcohol, and 
 a fourth polymer layer containing a synthetic elastomer, 
 wherein said hydrophilic third polymer layer containing polyvinyl alcohol is disposed over said laminate and the fourth polymer layer is disposed over said hydrophilic third polymer layer containing polyvinyl alcohol. 
 
     
     
       9. The protective glove according to  claim 1 , wherein the hydrophilic third polymer layer containing polyvinyl alcohol contains a plasticizer. 
     
     
       10. The protective glove according to  claim 1 , wherein the fourth polymer layer has a layer thickness of 0.01 to 0.05 mm, the third polymer layer has a layer thickness of 0.05 to 0.15 mm, the second polymer layer has a layer thickness of 0.05 to 0.2 mm, the first polymer layer has a maximum layer thickness of 0.6 mm, and/or the laminate has a layer thickness of 0.1 to 0.8 mm. 
     
     
       11. The protective glove according to  claim 1 , wherein the fourth polymer layer has a degree of cross-linking that is produced by heating to a maximum temperature of 100° C. 
     
     
       12. The protective glove according to  claim 1 , wherein the first and second polymer layers of the laminate are jointly vulcanized. 
     
     
       13. The protective glove according to  claim 1 , wherein the hydrophilic third polymer layer containing polyvinyl alcohol is a dipped polymer layer. 
     
     
       14. The protective glove according to  claim 1 , wherein at least one of the first, second, third, or fourth polymer layers is embodied in the form of a multiply dipped composite material that is respectively composed of two or more sublayers of the same polymer. 
     
     
       15. The protective glove according to  claim 1 , wherein the first polymer layer is composed of 4 to 6 separately dipped sublayers, the second polymer layer is composed of 3 to 5 separately dipped sublayers, the third polymer layer is composed of 2 to 5 separately dipped sublayers, and/or the fourth polymer layer is composed of 2 to 5 separately dipped sublayers. 
     
     
       16. The protective glove according to  claim 1 , having a bubble-free surface. 
     
     
       17. The protective glove according to  claim 1 , characterized in that it is flame-resistant as defined by the standard ASTM F1358. 
     
     
       18. The protective glove according to  claim 8 , wherein the polymer layer, which includes a synthetic, halogenated elastomer, includes an elastomer that contains bromobutyl as a monomer.